Evidence Library
Browse the claims, explore the research and understand what the evidence means for you.
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Ratings apply to the specific claim assessed. Read each investigation for its findings and limitations.
Do Nitric Oxide Supplements Really Improve Blood Flow, Gym Performance and Muscle Pumps?
Nitric oxide is real biology, but NO boosters are not one intervention. We separate nitrate, citrulline and arginine evidence from generic blend promises.
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Do Rhodiola Rosea Supplements Really Reduce Stress and Boost Energy?
Rhodiola has traditional use, small fatigue trials and newer endurance findings. We examine what they establish about everyday stress and energy.
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Does Biotin Serum Really Make Your Hair Grow?
A small topical biotin study reported less shedding. Does it establish meaningful regrowth, or validate every serum with biotin on its label?
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Does Ashwagandha Really Lower Cortisol, Reduce Stress and Improve Sleep?
Ashwagandha has human stress and sleep trials. We examine why lower cortisol does not necessarily mean feeling better, and why the extract matters.
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Does Grounding or Earthing Really Reduce Inflammation, Cortisol and Improve Sleep?
Grounding has a newer sham-controlled sleep trial and small earlier pilots. We examine what they measured and whether they establish broader health effects.
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Is Beef Tallow Really Better for Your Skin Than Regular Moisturiser?
Tallow can act as a greasy emollient. Its fatty-acid profile does not establish better hydration, barrier repair or treatment of acne and eczema.
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Do Castor Oil Packs Really Detox Your Liver and Flatten Your Stomach?
Castor oil is a real oral laxative. That does not prove an abdominal pack detoxifies the liver, drains lymph or removes belly fat.
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Do Bovine Colostrum Supplements Really Heal Your Gut and Boost Immunity?
Colostrum has promising findings for selected gut-barrier markers and respiratory symptoms. Do those findings establish general gut healing and stronger immunity?
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Does the Sleepy Girl Mocktail Really Help You Sleep?
Tart cherry and magnesium have some sleep research. Does that establish that combining them in a Sleepy Girl Mocktail improves sleep?
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Can Taurine Really Slow Ageing and Help You Live Longer?
Animal lifespan findings sparked taurine longevity hype. Newer human data complicate the deficiency story, while trials examine markers rather than added years of life.
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Does Astaxanthin Really Slow Skin Ageing and Protect Against UV Damage?
LIMITED — Small trials suggest hydration or elasticity benefits, but visible wrinkle improvements and meaningful UV protection remain uncertain. Supplements do not replace sunscreen.
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Can Akkermansia Supplements Really Help You Lose Weight and Fix Your Metabolism?
Recent human trials make Akkermansia worth investigating. We separate reduced weight regain, a negative main metabolic endpoint and exploratory microbiome findings.
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